Gun element



0. V. PAYNE.

GUN ELEMENT. APPLICATlON FILED APR- 30, |920.

I' 7W Ww ,UNITED STATES oscAa v.` PAYNE,

PATENT OFFICE.

TION, 0F NEW YORK, N. Y., CORPORATION' 0F NEW .YORIL GUN ELEMENT.

Specification of Letters Patent.

Patented Nov. 9, 1920.

Application fllel April so, le20.' serial Nu. 377,759.v

To all whom t may concern: y

Be it known that I, O soAR V. PAYNE, a citizen of the United States of America and resident of Cleveland, in the county of d hoga and State of Ohio, have invented new and llseflll Improvements in Gun Elements, of which the following is a specification.

My invention relates to an impr'oved collar for gun elements adapted for use with guns of any size, but more particularly adapted for use with small arms. More specifically my invention consists in an improved separable means for providing a thrust collar adapted to be placed upon a firing pinto transmit to the pin the thrust of the firing' spring. y v

In a large number of rlies and machine guns now in use, a bolt assembly ls provided in which the firing pin is housed in the bolt, the rear portion of the pin being surrounded by a sleeve which is threaded into the'rear of the bolt. In such `dev-loes the ring spring surrounds the pin and' has .its rear end bearing against the sleeve. Y It is neces sary that the forward end of thespring be` operatively connected to the ring pin 'and the connection should not be a permanent enlargement of the pin. This latter requirement is necessary in order to permit assembly and dismantling of the bolt mechanism, since it would otherwise be impossible to withdraw the firing pin through the sleeve and would beimpractical to remove the spring over such.l a permanent enlargement.

It is an object of my invention to provide a new and improved separable thrust collar adapted for use with firing pins. It is also an object to provide a collar of the type described which is rigid and positive in its connection when assembled and yet which er.

mits of ready and easy dismantling. t is' a further object to provide such `a collar which is simple in constructionl andirelatively inexpensive to manufacture. Other and further objects will appear as the description proceeds. y p

I have shown a preferred embodiment of my inventionin the accompanying drawings, in which- Figure 1 1s a section partly broken away' of the breech mechanism of a gun illustratin the use" of my device,

2 is a view showing a firing pln with` i my trust sleeve fitted thereon, the sleeve" being shown in section,

uya-

the portion 24 of the pin is .Figa 3 isa fragmentar view kofy a ring pin with the sleeve partly removedlthere- ,n

from,

Fig. 4 is an end view of the sleeve, f

.p Fig. 5 is a vertical'section of the sleeve, auf,

Fi f l n order to clearly bring out the relation of my improved device, l have' shown the device in Fig. 1, in connection with a ire, arm, the latter forming no part of the present invention. The firearm shown comprises the barrel?, receiver 8, magazine 9, fore piece 1 0, bolt 11, lock 12, sleeve113, sear 14 and firing spring 15. The iring pin 16 has the sear nose 18, thrust shoulder or enlargement is a'fsection taken Vonl striker point 19, and reduced portion 24..)My improved thrust sleeve has the reduced portion 20 substantially equal in diameter to themain por# tion of the firing pin 16, and theenlargedy forward thrust bearing 21, the face of which is recessed at'22 to fitover the'thrust shoulder 19 of the firing pin. The interior of the sleeve -is centrally bored at'23 to ,fit .the reof bolt mechanism shown, mydevice is as- `v I .sembled by first insertingl the'irng pin through the sleeve 13. fromfthe rear. `The spring 15 is next passed over -the .forward end of the firing pin and placed with its rear Y end against the forward face ofthe sleeve 13. The spring is now pressed rearwardly until it clears the reducedv portion 24 of the pin andthe thrust sleeve-is slipped'laterally' onto the pinas shown in Fi 3. When ully seated r against fthe bore 23v the thrust sleeve'J-.is

moved forward into the posi'ltion'showniny Figs. 1 and'2, the shoulder 19 resting in the` its" forward end 'passes onto ythe against the'thrust bearing 21. Y

i'oo" recess 22. The spring is now released 'and sleeve fand,

In this vposition the sleeve :is

from movement both forwardly and laterallyl 'bythe Aengagement with the thrustA shoulder 19 of the overhangin shoulder,

v which surrounds the recess 22, an is further restrained from rearward movement by' the-,force :of the spring 15. It may, however,

' laterally upon firin pins but such structures vwith the shoulder 19 effectively having necessitate the use of a vsecond cir- ,cumferentially unbroken sleeve to be slipped on to the first sleeve to prevent lateral pla o r movement. In my structure no suc second sleeve is necessary as the recess 22 in the sleeve by'means of its engagement v revents play and eliminates any danger of t e collar Working loose from the pin..v l' Y Iclaim: 1. A firin -pin having a circumferential thrust shou der'thereon, a' thrust collar adapted to be laterally fitted tothe pin, and

Y having a recess in one end adapted to engage the thrust Vshoulder of the pin, and a sprin surrounding the pin and thrust collar an bearing. againstv the latter to maintain the recess interlitted Withthe thrust shoulder.

. the latter to maintain the collar recess engaged with the thrust shoulder on the pin.

3. A firing pin having a circumferential thrust shoulder thereon, a collar having a thrust enlargement thereon of greater diameter than the thrust shoulder on the pin and having a reduced portion in rear of said enlargement, the collar being adapted to be laterall7 fitted to the pin and havin a recess adapte to receive the thrust shoul er onthe pin, and a spring surrounding the pin and reduced portion ofthe collar and bearing against the thrust enlargement of the latter to maintain the collar recess engaged with the thrust shoulder on the in.

Signed by me at Cleve and, Ohio, this 26th day of April, 1920. j Y

t' OSCAR V. PAYNE. 

